package com.zzyl.serve.service.impl;

import java.util.*;

import cn.hutool.core.collection.ListUtil;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.framework.web.service.TokenService;
import com.zzyl.serve.dto.UserLoginRequestDto;
import com.zzyl.serve.service.WechatService;
import com.zzyl.serve.vo.LoginVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.serve.mapper.FamilyMemberMapper;
import com.zzyl.serve.domain.FamilyMember;
import com.zzyl.serve.service.IFamilyMemberService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

/**
 * 老人家属Service业务层处理
 * 
 * @author chenming
 * @date 2025-05-06
 */
@Service
public class FamilyMemberServiceImpl extends ServiceImpl<FamilyMemberMapper, FamilyMember> implements IFamilyMemberService
{
    @Autowired
    private FamilyMemberMapper familyMemberMapper;
    @Autowired
    private WechatService wechatService;
    @Autowired
    private TokenService tokenService;

    static List<String> DEFAULT_NICKNAME_PREFIX = ListUtil.of("生活更美好",
            "大桔大利",
            "日富一日",
            "好柿开花",
            "柿柿如意",
            "一椰暴富",
            "大柚所为",
            "杨梅吐气",
            "天生荔枝"
    );

    /**
     * 查询老人家属
     * 
     * @param id 老人家属主键
     * @return 老人家属
     */
    @Override
    public FamilyMember selectFamilyMemberById(Long id)
    {
        return getById(id);
    }

    /**
     * 查询老人家属列表
     * 
     * @param familyMember 老人家属
     * @return 老人家属
     */
    @Override
    public List<FamilyMember> selectFamilyMemberList(FamilyMember familyMember)
    {
        return familyMemberMapper.selectFamilyMemberList(familyMember);
    }

    /**
     * 新增老人家属
     * 
     * @param familyMember 老人家属
     * @return 结果
     */
    @Override
    public int insertFamilyMember(FamilyMember familyMember)
    {
        return save(familyMember) ? 1 : 0;
    }

    /**
     * 修改老人家属
     * 
     * @param familyMember 老人家属
     * @return 结果
     */
    @Override
    public int updateFamilyMember(FamilyMember familyMember)
    {
        return updateById(familyMember) ? 1 : 0;
    }

    /**
     * 批量删除老人家属
     * 
     * @param ids 需要删除的老人家属主键
     * @return 结果
     */
    @Override
    public int deleteFamilyMemberByIds(Long[] ids)
    {
        return removeByIds(Arrays.asList(ids)) ? 1 : 0;
    }

    /**
     * 删除老人家属信息
     * 
     * @param id 老人家属主键
     * @return 结果
     */
    @Override
    public int deleteFamilyMemberById(Long id)
    {
        return removeById(id) ? 1 : 0;
    }

    /**
     * 微信登录
     *
     * @param dto
     * @return
     */
    @Override
    public LoginVo login(UserLoginRequestDto dto) {
        //1.根据code调用微信api获取openId
        String openid = wechatService.getOpenid(dto.getCode());
        //2.根据openId查询数据库获取用户信息family_member表
        FamilyMember familyMember = getOne(Wrappers.<FamilyMember>lambdaQuery().eq(FamilyMember::getOpenId, openid));
        //3.判断用户信息是否存在，如果不存在，则新增family_member表
        if (ObjectUtils.isEmpty(familyMember)){
            familyMember = new FamilyMember();
            familyMember.setOpenId(openid);
        }
        //4.调用微信api获取用户绑定手机号
        String phone = wechatService.getPhone(dto.getPhoneCode());
        familyMember.setPhone(phone);

        //5.存在则 修改family_member表数据(修改或新增)
        saveOrUpdateFamilyMember(familyMember);
        //6.将用户id存入token中，并返回数据给前端
        Map<String, Object> claims = new HashMap<>();
        claims.put("userId", familyMember.getId());
        claims.put("nickName", familyMember.getName());

        String token = tokenService.createToken(claims);
        LoginVo loginVo = new LoginVo();
        loginVo.setToken(token);
        loginVo.setNickName(familyMember.getName());

        return loginVo;
    }

    /**
     * 新增或更新老人家属
     * @param familyMember 老人家属对象
     */
    private void saveOrUpdateFamilyMember(FamilyMember familyMember) {
        //判断id是否为空
        if (ObjectUtils.isEmpty(familyMember.getId())){
            //新增
            //生成一个随机的用户名，规则是一个随机的好听名字+手机号后4位
            Random r = new Random();
            int index = r.nextInt(DEFAULT_NICKNAME_PREFIX.size());
            String prefix= DEFAULT_NICKNAME_PREFIX.get((int) (Math.random()*DEFAULT_NICKNAME_PREFIX.size()));
            String nickName = prefix + familyMember.getPhone().substring(familyMember.getPhone().length()-4);
            familyMember.setName(nickName);
            familyMember.setCreateTime(DateUtils.getNowDate());
            save(familyMember);
        }else {
            //修改
            familyMember.setUpdateTime(DateUtils.getNowDate());
            updateById(familyMember);
        }
    }
}
